Thanks for the reply.
Improvements were done from that time. To be able to answer why you face problems still, our developers need to take a closer look at your site. Please provide URL, temporary wp-admin and FTP access.
Dev team will back to work after the weekend, they will check what can be done to help you. If the problem won’t be solved, you will be able to send a refund request – https://themeforest.net/refund_requests/new
Waiting for your reply with access.
One standard license is valid only for 1 project. Running multiple projects on a single license is a copyright violation.